The value of gastric cytology in the diagnosis of mesenchymal tumors.
D005751:Gastric Lavage; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000175:diagnosis*; D008228:Lymphoma, Non-Hodgkin / Q000175:diagnosis*; D013270:Stomach / Q000473:pathology*; D013274:Stomach Neoplasms / Q000175:diagnosis*